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Evgen [1.6K]
3 years ago
9

Which characteristics make Mercury different from Earth? Select two options.

Chemistry
1 answer:
maria [59]3 years ago
8 0
Hot surface temperatures
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when evaporation occurs, only the amount of solvent decrease, the amount of solute stays the same. Does the solution become more
marta [7]

Answer:

The solution becomes more concentrated

Explanation:

As the solvent evaporates, the solute remains intact. This implies that we have more of the solute than the solvent in the solution. So as the evaporation continues, the resulting solution becomes more concentrated as we now have more of the solute than the solvent.

4 0
3 years ago
Removing salt from water would decrease its what
Effectus [21]
Removing salt from  water will reduce it's density

8 0
3 years ago
(CH3)2.CBr. CH3<br> What it’s iupac name?
kicyunya [14]

Answer:

2 - Bromo - 2 - Methyl Propane

Explanation:

The structure of the compound is given in the attached image as;

The longest chain is; CH₃--C--CH₃ = 3 carbon atoms = Propane

It has two substituents on the middle carbon = CH₃  and  Br = 2 - Bromo- and 2 - Methyl

The IUPAC name is given as; 2 - Bromo - 2 - Methyl Propane

8 0
3 years ago
How many grams of carbon dioxide are produced by the combustion of 75.3 g of octane (C8H18)? (answer rounded to nearest whole nu
a_sh-v [17]

Answer:

232 g CO2

2 C8H18 + 25 O2 --> 16 CO2 + 18 H2O

75.3 g C8H18 (1mol / 114.26g) (16 mol CO2/2 mol C8H18) (44.01 g/1 mol) = 232 g

Hope this helps!

6 0
3 years ago
Two cups of coffee, one that is at 10 C and one that is 20 C, are mixed. Which statement about the temperature of the mixture is
Alenkasestr [34]
The temperature will be the average of 10 C and 20 C which is 15 C.
Energy is transferred from faster moving molecules to slower moving molecules, and the result is the average of 15°C. <span>This is just another temperature problem where you add something hot to a cold liquid and you have to calculate the final temperature. Since the energy given up by the hot coffee = energy absorbed by the cold coffee, the mass of the two fluids is the same (each is 1 cup) and both are coffee so the specific heat is the same, you get T hot - Tfinal = Tfinal - Tcold and then you solve it, you get T final = (T hot + Tcold) / 2 which is simply the average of the hot and cold temperatures.

BRAINLIEST PLS!</span>
8 0
3 years ago
Read 2 more answers
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